package com.viewshine.nettydemo.staticMethod.nettyClient;

import io.netty.bootstrap.Bootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;

import java.net.InetSocketAddress;

/**
 * @ClassName BasicsEchoClient
 * @Author rhb
 * @Description 基础/静态 客户端
 * @Date 2019-01-17 15:57
 * @Version 1.0
 **/
public class BasicsEchoClient {

    private final String host;
    private final int port;


    public BasicsEchoClient(String host, int port) {
        this.host = host;
        this.port = port;
    }


    public void start() throws Exception {
        EventLoopGroup group = new NioEventLoopGroup();
        try {
            Bootstrap b = new Bootstrap();
            b.group(group);
            b.channel(NioSocketChannel.class);
            b.remoteAddress(new InetSocketAddress(host, port));
            b.handler(new ChannelInitializer<SocketChannel>() {

                public void initChannel(SocketChannel ch) throws Exception {
                    ch.pipeline().addLast(new BasicsEchoClientHandler());
                }
            });
            ChannelFuture f = b.connect().sync();
            /*f.addListener(new ChannelFutureListener() {

                public void operationComplete(ChannelFuture future) throws Exception {
                    if(future.isSuccess()){
                        System.out.println("client connected");
                    }else{
                        System.out.println("server attemp failed");
                        future.cause().printStackTrace();
                    }

                }
            });*/
            f.channel().closeFuture().sync();
        } finally {
            group.shutdownGracefully().sync();
        }
    }

    public static void main(String[] args) throws Exception {
        new BasicsEchoClient("192.168.3.119",8001).start();
    }

}
